In Stock
- In Stock Items. Ships Today. (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (18) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (21) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Department
Part Type
- Intake Manifolds, Fuel Injected (12) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Engine Management Systems (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Fuel Injection System Wiring Harnesses (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Transmission Installation Kits (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Sub-Brand
- Holley Sniper (3)
Make/Engine
In Stock
Savings Central
- On Sale (16)
- Free Shipping (1)

Selected Filters

Availability

- In Stock Items. Ships Today. (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (18) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (21) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Department
Part Type
- Intake Manifolds, Fuel Injected (12) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Engine Management Systems (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Fuel Injection System Wiring Harnesses (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Transmission Installation Kits (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Sub-Brand
- Holley Sniper (3)
Make/Engine
Savings Central
- On Sale (16)
- Free Shipping (1)

18 Results Found For "ls1"

Showing In Stock Items. Show All 21 Items.

Individual Parts

Part Groups

Results 1 - 18 of 18

Holley Replacement Fuel Injector Wiring Harnesses 558-500

Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 24X Crank Sensor, Includes Power, LS1 Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Part Number: HLY-558-500

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Holley LS Modular Lo-Ram EFI Intake Systems 300-620BK

Intake Manifolds, LS Modular, Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-620BK

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley Complete T56 Transmission Installation Kits 319-510

Installation Kits, Transmission, T-56, Magnum, Aluminum Bellhousing, 12 in. Disc, 26 Spline, Billet Flywheel, 6-bolt, SBC, LS, Gen III/IV, Kit

Part Number: HLY-319-510

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-683BK

Intake Manifolds, LS Modular, Lo-Ram EFI, Dual Injection, Rectangular Port Head, Multi-port, 105mm Bore, Aluminum, Black, Chevy, 6.0L, 6.2L, Each

Part Number: HLY-300-683BK

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Holley Terminator X Engine Management Systems 550-909

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley Terminator X Engine Management Systems 550-903

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.71 out of 5 stars ( 34 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Hi-Ram Intake Manifolds 300-122BK

Intake Manifolds, EFI Hi-Ram, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, LS, 5.7L, 6.0L, Each

Part Number: HLY-300-122BK

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley Terminator X Engine Management Systems 550-909T

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909T

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Hi-Ram Intake Manifolds 300-123BK

Intake Manifolds, EFI, LS Hi-Ram, Cathedral Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-123BK

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Mid-Rise Intake Manifolds 300-126

Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-126

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley Terminator X Engine Management Systems 550-903T

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Hi-Ram Intake Manifolds 300-122

Intake Manifolds, EFI Hi-Ram, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, LS, 5.7L, 6.0L, Each

Part Number: HLY-300-122

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Hi-Ram Intake Manifolds 300-123

Intake Manifolds, EFI, LS Hi-Ram, Cathedral Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-123

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Mid-Rise Intake Manifolds 300-126BK

Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-126BK

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI LS Mid-Rise Intake Manifolds 300-127

Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 105mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-127

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley Sniper EFI Fabricated Race Series Intake Manifolds 832142

Intake Manifolds, Sniper EFI, Hi-Ram, Cathedral Port, 90mm Throttle Body, 2,100-8,200 RPM, Welded Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-832142

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 23, 2026 if ordered today

Holley Sniper Fabricated Dual Plenum Intake Manifolds 820202

Intake Manifolds, Sniper EFI, Dual Plenum, Cathedral Port, 92mm Throttle Body, 1,00-6,800 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820202

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 20, 2026 if ordered today

Holley Sniper EFI Fabricated Race Series Intake Manifolds 832141

Intake Manifolds, Sniper EFI, Hi-Ram, Cathedral Port, 90mm Throttle Body, 2,100-8,200 RPM, Welded Aluminum, Silver, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-832141

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 23, 2026 if ordered today

Page 1 of 1